<?php
/**
* The PMF_DB_Oci8 class provides methods and functions for a Oracle database
*
* @package phpMyFAQ
* @subpackage PMF_DB
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @package 2005-09-20
* @version SVN: $Id$
* @copyright 2005-2009 phpMyFAQ Team
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*/
/**
* PMF_DB_Oci8
*
* @package phpMyFAQ
* @subpackage PMF_DB
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @package 2005-09-20
* @version SVN: $Id$
* @copyright 2005-2009 phpMyFAQ Team
*/
class db_oci8
{
/**
* The connection object
*
* @var mixed
* @see connect(), query(), dbclose()
*/
private $conn = false;
/**
* The query log string
*
* @var string
* @see query()
*/
private $sqllog = '';
/**
* Tables
*
* @var array
*/
public $tableNames = array();
/**
* Connects to the database.
*
* @param string $host
* @param string $username
* @param string $password
* @param string $db_name
* @return boolean TRUE, if connected, otherwise FALSE
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function connect($host, $user, $passwd, $db)
{
$this->conn = oci_connect($user, $passwd, $db);
if (empty($db) OR $this->conn == true) {
$error = oci_error();
PMF_Db::errorPage($error['message']);
return false;
}
return true;
}
/**
* Sends a query to the database.
*
* @param string $query
* @return mixed $result
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function query($query)
{
$this->sqllog .= pmf_debug($query);
$stmt = oci_parse($this->conn, $query);
oci_execute($stmt, OCI_DEFAULT);
return $stmt;
}
/**
* Escapes a string for use in a query
*
* @param string
* @return string
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function escape_string($string)
{
return addslashes($string);
}
/**
* Fetch a result row as an object
*
* @param mixed $result
* @return mixed
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function fetch_object($result)
{
return oci_fetch_object($result);
}
/**
* Number of rows in a result
*
* @param mixed $result
* @return mixed
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function fetch_row($result)
{
return oci_fetch_row($result);
}
/**
* Fetch a result row as an array
*
* @param mixed $result
* @return array
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function fetch_assoc($result)
{
return oci_fetch_assoc($result);
}
/**
* Number of rows in a result
*
* @param mixed $result
* @return integer
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function num_rows($result)
{
return oci_num_rows($result);
}
/**
* Logs the queries
*
* @param mixed $result
* @return integer
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function sqllog()
{
return $this->sqllog;
}
/**
* Generates a result based on search a search string.
*
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @author Matteo scaramuccia <matteo@scaramuccia.com>
* @since 2005-09-20
*/
public function search($table, $assoc, $joinedTable = '', $joinAssoc = array(), $match = array(), $string = '', $cond = array(), $orderBy = array())
{
$string = addslashes(trim($string));
$fields = "";
$joined = "";
$where = "";
foreach ($assoc as $field) {
if (empty($fields)) {
$fields = $field;
} else {
$fields .= ", ".$field;
}
}
if (isset($joinedTable) && $joinedTable != '') {
$joined .= ' LEFT JOIN '.$joinedTable.' ON ';
}
if (is_array($joinAssoc)) {
foreach ($joinAssoc as $joinedFields) {
$joined .= $joinedFields.' AND ';
}
$joined = substr($joined, 0, -4);
}
foreach ($cond as $field => $data) {
if (empty($where)) {
$where = $field." = '".addslashes($data)."'";
} else {
$where .= "AND ".$field." ='".addslashes($data)."'";
}
}
$match = implode(",", $match);
$query = "SELECT ".$fields." FROM ".$table.$joined." WHERE ".$match." LIKE ('%".$string."%')";
if (!empty($where)) {
$query .= " AND (".$where.")";
}
$firstOrderBy = true;
foreach ($orderBy as $field) {
if ($firstOrderBy) {
$query .= " ORDER BY ".$field;
$firstOrderBy = false;
} else {
$query .= ", ".$field;
}
}
$query .= ";";
return $this->query($query);
}
/**
* Returns the error string.
*
* This function returns the table status.
*
* TODO: Implement this function
*
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function getTableStatus()
{
return null;
}
/**
* Returns the next ID of a table
*
* @param string the name of the table
* @param string the name of the ID column
* @return int
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function nextID($table, $id)
{
$stmt = oci_parse($this->conn, 'SELECT max('.$id.') as current_id FROM '.$table);
oci_execute($stmt, OCI_DEFAULT);
$currentID = oci_result ($stmt, 'current_id');
return ($currentID + 1);
}
/**
* Returns the error string.
*
* @return string
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function error()
{
$errormsg = oci_error($this->conn);
return $errormsg['message'];
}
/**
* Returns the client version string.
*
* @return string
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function client_version()
{
return 'n/a';
}
/**
* Returns the server version string.
*
* @return string
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function server_version()
{
return oci_server_version($this->conn);
}
/**
* Returns an array with all table names
*
* @access public
* @author Matteo Scaramuccia <matteo@scaramuccia.com>
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2006-08-26
*/
public function getTableNames($prefix = '')
{
// First, declare those tables that are referenced by others
$this->tableNames[] = $prefix.'faquser';
$result = $this->query('SELECT table_name FROM all_tables');
while ($row = $this->fetch_object($result)) {
$this->tableNames[] = $row->table_name;
}
}
/**
* Closes the connection to the database.
*
* This function closes the connection to the database.
*
* @access public
* @author Thorsten Rinne <thorsten@phpmyfaq.de>
* @since 2005-09-20
*/
public function dbclose()
{
return oci_close($this->conn);
}
}
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